CN2249459Y

CN2249459Y - Power supply socket with warning function

Info

Publication number: CN2249459Y
Application number: CN 95211781
Authority: CN
Inventors: 李狮; 袁合发
Original assignee: Great Profit Industries Ltd
Current assignee: Great Profit Industries Ltd
Priority date: 1995-05-11
Filing date: 1995-05-11
Publication date: 1997-03-12
Anticipated expiration: 2005-05-11

Abstract

The utility model relates to a power socket with the function of early warning. The main structure of the utility model is that the back surface of a socket panel is provided with a basal plate, copper foil lines which are connected in parallel and are used for the connection of two electrodes of a power are formed on the basal plate; the copper foil lines are provided with a detection circuit, when a plug of an electric appliance is plugged in the socket panel, and the copper foil lines of the basal plate can be switched on; meanwhile, the power utilization state of the utility model can be detected by the detection circuit, when the load of electric power reaches a definite valve, the load can be detected by the detection circuit, and warning sound and light can be generated to provide the function of early warning.

Description

The supply socket of tool warning function

The utility model relates to a kind of supply socket of tool warning function, it mainly is to establish an overload detection circuit in supply socket, when appliance plug is plugged socket and during energized, to monitor its load state by this testing circuit, as when phenomenon occurring transshipping, this testing circuit will produce the caution acousto-optic simultaneously, notifying the user, and obtain the effect of an early warning.

In modern society, convenience on the power operation is unquestionable, " yet water can carry boat; also can capsized boat ", people all know although electricity consumption is convenient, but the accident that causes because of electricity also can be found everywhere, though distribution technique is perfect day by day at present, but the building robustness also is the phase, the only still generation again and again of fire of cocking off and leading to because of electric wire, outmoded and the people of the not outer electric power distribution of its reason is improper for electricity consumption, wherein especially with the latter for, because the socket limited amount of general family, for dealing with the electricity consumption of many electrical equipment, mostly utilize extended line, to increase the power supply object, the distribution of right extended line is to adopt parallel way, when many groups electrical equipment cross-over connection simultaneously on the same group on the power supply, very easy generation overload phenomenon, and existing on the market many power extending lines are aesthetic in appearance for emphasizing, mostly do not have the insurance power down function, from guaranteeing Electrical Safety, another kind of again power extending line with fuse, its practice is when electric power exceeds the fuse load, fuse is burnt and absolute termination power supply, even precisely because can prevent to cock off because of the electric wire that overload is caused, even bigger unexpected storms, but this kind do not predicted the measure of outage suddenly of formula, certainly will allow the user be caught unprepared, and cause inconvenience, this shows necessity that these Electrical Safety devices are obviously further improved.

Main purpose of the present utility model is: a kind of supply socket of tool warning function is provided, it mainly is to establish a substrate at a socket panel back side, be formed with copper foil circuit in parallel on the substrate, and be connected with two poles respectively, wherein copper foil circuit is provided with a testing circuit, and it can monitor the load state of electric power simultaneously, when load is higher than a certain limit, to detect by testing circuit, and produce the caution acousto-optic.

The utility model provides a kind of supply socket of tool warning function, be primarily characterized in that: be provided with a substrate at a socket panel back side, be formed with the copper foil circuit that twice are connected with two poles respectively on this substrate, be formed with jack in groups on two copper foil circuits respectively, with corresponding to formed jack on the socket panel

Wherein a copper foil circuit string is provided with a testing circuit,

This testing circuit is made up of current transducer, bridge rectifier, filter, voltage detector and a circuit for alarming,

With said structure must be before power supply overload by testing circuit detect and produce the caution acousto-optic, and obtain the effect of an early warning.

The supply socket of aforementioned tool warning function is characterized in that: two copper foil circuits on this substrate are arranged with contact flat spring in two hole slot both sides of every group of jack, so that the plug tip sheet of insertion is contacted really with copper foil circuit.

The supply socket of aforementioned tool warning function is characterized in that: two copper foil circuits on this substrate are arranged with a junction block in an end, use with two poles to be connected.

The supply socket of aforementioned tool warning function is characterized in that: this circuit for alarming is to set up light-emitting diode separately and buzzer constitutes at an oscillator output end.

Further specify architectural feature of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is broken section of the present utility model and implements illustration.

Fig. 3 is the detailed circuit diagram of the utility model testing circuit.

Relevant structure of the present utility model is partly please at first consulted shown in Figure 1ly, and it includes a socket panel 10 and a substrate 20; Wherein

Omit together with general socket on these socket panel 10 surfaces, be formed with a plurality of paired jacks 11 on it respectively, in present embodiment, meter is formed with two groups of jacks 11 on this socket panel 10, socket panel 10 central authorities and jack 11 side appropriate locations form grid groove 12 and through hole 13 respectively again, for easy acousto-optic equipment is installed; Socket panel 10 back sides then are embedded with a substrate 20 again;

This substrate 20 is to be made of the PC plate, also be formed with a plurality of compositions on it to jack 21 (see figure 2)s, this jack 21 is corresponding to the jack on the socket panel 10 11, substrate 20 surfaces are formed with twice copper foil circuit 22 again, 23, two copper foil circuits 22,23 hole slots by every group of jack 21 respectively, that is by two copper foil circuits 22,23 make two groups of jacks 21 be state in parallel, copper foil circuit 22 1 ends are respectively equipped with a junction block 220 again, another copper foil circuit 23 is provided with a control casket 30, and Yu Yiduan also is provided with a junction block 230, this two junction block 220 wherein, the 230th, be the shell fragment shape, can be for being connected with the two ends polar curve of power supply;

Two copper foil circuits 22 again, 23 are arranged with one or two contact flat spring 24 in two hole slot both sides of every group of

jack

21,25, this contact flat spring 24, the 25th, be relative mode in twos, be individually fixed in the adjacent both sides of two hole slots of every group of jack 21 with screw-in version, when the tip sheet 41 of appliance plug 40 is inserted through substrate 20 via the jack 21 of socket panel 10 (as shown in Figure 2), this tip sheet 41 can with 20 on the contact flat spring 24 of jack 21 both sides, 25 contacts, meaning is this contact flat spring 24 of mat, 25 can make plug 40 insert the time, guarantees its tip sheet 41 and two copper foil circuits 22, the two poles of the earth power supply on 23 connects;

Be provided with a testing circuit in this control casket 30 in addition, the detailed circuit of this testing circuit sees also shown in Figure 3, it includes a current transducer 31, one bridge rectifier 32, one RC filter 33, one voltage detector 34 and a circuit for alarming 35, it mainly is to be serially connected with on the copper foil circuit 23 with current transducer 31 two ends, to detect the current signal on the power supply, the detecting signal of current transducer 31 will be converted to direct current signal via bridge rectifier 32 again, and after filter 33 is made Filtering Processing, detect its current potential height by voltage detector 34, when the detecting electric current and be higher than a certain limit of current transducer 31, to drive the circuit for alarming 35 of its output by voltage detector 34, this circuit for alarming 35 is that the output at an oscillator is arranged with light-emitting diode 36 and buzzer 37, when it is triggered by voltage detector 34, to produce flash of light and alert song simultaneously by the light-emitting diode 36 and the buzzer 37 of output, this light-emitting diode 36 can be connected to through hole 13 default on the socket panel 10 again, buzzer 37 can corresponding be positioned at grid groove 12 inboards of socket panel 10 again, can be convenient to by this by seeing flash of light outside the socket panel 10 and hearing alert song.

Can find out concrete structure kenel of the present utility model and detailed circuit through above-mentioned explanation, detailed as with following as for its working method:

Because the utility model is connected to a testing circuit in the both ends of power span of socket panel 10, when the plug 40 of arbitrary electrical equipment or power extending line inserts socket panel 10, electrical equipment or power extending line will be by two copper foil circuits 22 on the substrate 20,23 energized, and monitor the load variations situation of power supply simultaneously by this testing circuit, when load abnormal raises, the electric current of power end also raises relatively, and detected by current transducer 31, when the rated value of the detecting signal of waiting arrival voltage detector 34 is safety value, voltage detector 34 promptly touches circuit for alarming 35, and drive the buzzer 37 and the light-emitting diode 36 of its output respectively by circuit for alarming 35, to produce the caution acousto-optic simultaneously, because the rated value of voltage detector 34 can preestablish, therefore we can be optionally, by the adjustment of voltage detector 34 rated values, to set the opportunity of early warning; Can be set in socket power obviously before the overload because of the utility model again, provide early warning with the caution acousto-optic, so when power supply has the overload sign, the user can be informed in advance by the caution acousto-optic, and after taking the necessary preparation action, the side cuts off power supply with electrical equipment or power extending line, can effectively guarantee Electrical Safety.

Claims

1. the supply socket of a tool warning function, be to be provided with a substrate at a socket panel back side, be formed with the copper foil circuit that twice are connected with two poles respectively on this substrate, be formed with jack in groups on two copper foil circuits respectively, with corresponding to formed jack on the socket panel, be primarily characterized in that:

Wherein a copper foil circuit string is provided with a testing circuit,

This testing circuit is made up of current transducer, bridge rectifier, filter, voltage detector and a circuit for alarming, output by current transducer connects bridge rectifier, bridge rectifier output be connected in parallel filter and voltage detector, the output of voltage detector is to be connected with the triggering input of circuit for alarming;

With said structure must be before power supply overload through testing circuit detect and produce the caution acousto-optic, and obtain the effect of an early warning.

2. according to the supply socket of the described tool warning function of claim 1, it is characterized in that: two copper foil circuits on this substrate are arranged with contact flat spring in two hole slot both sides of every group of jack, so that the plug tip sheet of insertion is contacted really with copper foil circuit.

3. according to the supply socket of claim 1 or 2 described tool warning functions, it is characterized in that: two copper foil circuits on this substrate are arranged with a junction block in an end, use with two poles to be connected.

4. according to the supply socket of 1 described tool warning function of claims, it is characterized in that: this circuit for alarming is to set up light-emitting diode separately and buzzer constitutes at an oscillator output end.